Nambarka patent model utility: ZL201220705818.X

Feeraha iyo jidhka dibadda ayaa laga sameeyay 10mm bir ah, iyo wareegga gudaha iyo koontada waxay ka samaysan yihiin 4mm taarikada gudaha iyo koontada gudaha ayaa loo qaabeeyey iyada oo loo marayo xisaabinta saxda ah, kuwaas oo ah kuwo macquul ah oo sax ah waa dhameystiran yihiin waxaana loo qaabeyn karaa si waafaqsan shuruudaha dhabta ah.